Seat for a dental chair



FIG. 1 is a perspective view of the seat for a dental chair showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left-side elevation view thereof, the right-side elevation view being a mirror image thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 a bottom plan view thereof.

The broken lines in the figures of the seat for a dental chair are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a seat for a dental chair, as shown and described. 